Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
  • B60R13/10—Registration, licensing, or like devices

Definitions

• the invention relates to a license plate for a vehicle according to the preamble of claim 1. Furthermore, the invention relates to a method for producing a license plate for a vehicle according to claim 13.
• the license plates according to the invention are so-called license plates, the front and / or attached to the rear of a body or a bumper of a vehicle and those that are glued to a window pane of the vehicle, in particular as an additional identifier.
• License plates of the type mentioned are often forged or used for other vehicles.
• license plates which have a contactlessly readable data carrier. This contains relevant data of the vehicle to which the license plate belongs. This data is read out using an external reader. The comparison of the data read out with the vehicle on which the license plate is used allows conclusions to be drawn about manipulations, in particular if the license plate is assigned to a foreign vehicle.
• Previously known labels with contactlessly readable data carriers have an antenna. This is connected to the data carrier with electrical lines in order to enable the data stored on the data carrier to be transmitted. This antenna can be a so-called slot antenna in a license plate body of the license plate.
• This antenna which is designed as a slot-like recess in the license plate body, is electrical, in particular inductive, with the data carrier coupled.
• the data carrier has to be positioned in a certain position relative to the slot antenna in order to establish the electromagnetic coupling.
• the data carrier can be arranged, for example, in a widening of the slot of the slot antenna.
• the tolerance in the positioning of the data carrier relative to the slot can be less than 1 mm.
• a stamping process by means of which the slot is created in the number plate body, can lead to inaccuracies or undesired deformations of the number plate body.
• the relative positioning of the data carrier in relation to the slot can also be adversely changed by embossing a label on the license plate body, which is usually done after punching and after inserting the data carrier into the slot.
• embossing a label on the license plate body which is usually done after punching and after inserting the data carrier into the slot.
• inadvertent starting of the vehicle with the license plate against a curb, tree or the like can lead to one of the aforementioned deformations of the license plate body.
• the invention has for its object to provide a method for producing a license plate and a license plate for a vehicle with a data carrier and an antenna, which can be operated in a reliable manner and is easy to manufacture.
• a license plate for a vehicle to achieve this object has the features of claim 1. Accordingly, it is provided that a number plate body of the number plate has an opening. According to the invention, this breakthrough can at least be largely covered by a flat, at least partially electrically conductive carrier.
• This carrier has at least one slot, which forms an antenna, or a slot antenna, and at least one contactlessly readable data carrier which electrically couples to this antenna.
• This characteristic of the invention initially allows the production of a license plate body with a breakthrough, the tolerance to be adhered to for the production does not have to meet great requirements.
• the at least partially electrically conductive carrier can be prefabricated and then placed on the opening.
• the carrier with the at least one slot and the at least one data carrier can be manufactured in advance by a separate method, in particular by a printing method.
• a particularly robust license plate can be produced without having to increase the manufacturing accuracy of the license plate or the license plate body. Rather, the required manufacturing accuracy is reduced by the characteristic according to the invention.
• the data carrier has an RFID chip and at least one coil that is electrically conductive with it, via which the data carrier and / or the RFID chip can be inductively coupled to the antenna of the carrier.
• This coupling enables the data that is stored on the data carrier to be read out in a simple and reliable manner.
• data can be stored on the data carrier in the same reliable and simple manner.
• an RFID chip By using an RFID chip, the data carrier can be read out or rewritten using known reading devices.
• the present invention can further provide that the carrier is designed as a, preferably self-adhesive, film which is dimensioned such that it overlaps at least in regions with an edge region of the opening in the license plate body. It is preferably provided that the carrier has the same shape as the opening is just slightly larger, so that the edge regions of the carrier overlap with those of the opening.
• the opening is preferably rectangular, in particular slit-like. The likewise rectangular support can then be deposited over this rectangular opening.
• the self-adhesive design of the film results in simple and reliable fixing of the film on the surface of the license plate body or above the opening.
• the carrier in particular the film
• the antenna structure or the slot antenna is produced by evaporating the carrier with a conductive material.
• a particularly flexible material such as, for example, a plastic, can be used as the substrate for the carrier, on which the electrically conductive layer can then be vapor-deposited, printed on or the like. Even if the license plate body bends unexpectedly, there is no damage to the antenna structure. Rather, the wearer carries out the bending movement in a reversible manner.
• the carrier in particular the film
• the at least one antenna in particular an antenna structure, is formed by a slot in the carrier.
• This metallic foil can be, for example, an aluminum foil, a copper foil or the like. It is also conceivable that the film is a flexible film made of plastic, such as PET.
• the slot on the carrier has a widening at one end in which the data carrier and / or the RFID chip and / or the coil is positioned, in particular electrically insulated from the conductive regions of the carrier. Because the slot on the carrier with the widening and the data carrier is already prepared by a separate method, such as a printing method, a sufficiently high level of accuracy can be achieved here, regardless of whether the number plate body still needs to be embossed. Even if the number plate body has to be embossed for the lettering, deformation of the number plate body is not transferred to the elastic carrier.
• the invention can provide that the license plate body made of an electrically conductive material, preferably aluminum or one Aluminum alloy or the like is formed. This allows a particularly simple and flexible processing of the license plate body.
• the carrier with the antenna and the data carrier can be applied to the license plate body via an electrically conductive, self-adhesive, preferably self-adhesive film on both sides, so that the carrier is mechanically and electrically coupled to the license plate body.
• This electrically conductive film produces an electrical contact between the carrier or the slot antenna and the license plate body.
• This electrical contacting of the slot antenna with the license plate body means that the slot antenna arranged from the carrier can act as an antenna for the data carrier. Due to the self-adhesive property of this film, it can be applied in a simple manner over the opening of the license plate body and can also be firmly connected to the carrier.
• This electrically conductive film can be applied to the license plate body at least over edge regions of the opening. There are no high demands on the placement accuracy of the film on the license plate body. Rather, the film can be placed on the license plate body with a tolerance of a few mm.
• a further advantageous exemplary embodiment of the present invention can provide that the carrier and / or the license plate body and / or the film is at least largely covered by a reflective film, preferably demetallised at least in some areas.
• a reflective film preferably demetallised at least in some areas.
• the license plate can be read particularly well even in difficult lighting conditions. Because at least the area above the slot antenna or above the opening is de-metallized, this reflective film also does not lead to a disturbance in the data transmission between a receiver and the contactlessly readable data carrier.
• the reflective film can be a retroreflective reflective film.
• the opening is covered from a rear side of the license plate body with a non-conductive cover, in particular a PET film, or the Breakthrough can be filled with a, preferably electrically non-conductive, mass.
• a non-conductive cover in particular a PET film
• the Breakthrough can be filled with a, preferably electrically non-conductive, mass.
• This filling of the opening from the rear can prevent the opening or the carrier with the antenna structure and the data carrier from being damaged by environmental influences. In addition, it can thus be prevented that moisture enters the layer structure of the label and, particularly in the case of frost, destroys it.
• This cover can be applied or glued to the back of the license plate body or injected into the opening.
• a method for producing a license plate for a vehicle to achieve the above-mentioned object has the measures of claim 13. Accordingly, it is provided that a license plate body is first provided with an opening and a self-adhesive, electrically conductive film is applied at least over edge regions of this opening, an at least partially electrically conductive carrier with a slot antenna and a data carrier being bonded to this film and then the License plate body is provided with a reflective tape.
• This method of producing a license plate is particularly simple since there are no high requirements for the placement of the individual components.
• the existing systems for producing a license plate with a slot antenna can be used to carry out this method. The slit-like opening must first be punched into the license plate body.
• the electrically conductive, self-adhesive film can also be applied via this breakthrough, inaccuracies in the stamping process can be compensated for by a sufficiently large overlap between the conductive film and the license plate body.
• the carrier it is only essential that the carrier is placed on the self-adhesive film and at least largely arranged above the opening.
• the subsequent application of the, in particular retroreflective, reflective film to the license plate body also does not require excessive accuracy.
• the procedure for applying the reflective tape is the same as for known labels.
• a label is embossed into the license plate body. Any mechanical deformations caused by the embossing can be absorbed or compensated for by the flexible or yielding connection between the carrier and the license plate body through the film. In this way, there is no disadvantageous deformation of the slot antenna.
• the slot with the slot antenna described here transfers the slot from the known license plate antenna with slot antenna from the license plate body to an independent carrier. This simplifies the manufacturing process on the one hand and improves the performance of data transmission on the other.
• the carrier described here can also be referred to as an inlay or as an insert in the identification layer structure.
• 1 is an illustration of a license plate body
• Fig. 5 is an illustration of a cover
• Fig. 6 is an illustration of a license plate for a vehicle.
• the license plate 10 described here for a vehicle is built up in layers from several components.
• the basis of the number plate 10 is a flat number plate body 11 shown schematically in FIG. 1
• License plate body 11 can be produced as a rectangular plate made of a metal, in particular aluminum or an aluminum alloy, or a plastic.
• the corners can be rounded as shown in FIG. 1.
• the lengths of the side edges correspond to those of a standard license plate for a vehicle.
• the dimensioning of the license plate body 11 differs from that shown here. So it is quite conceivable that the license plate body 11 is square or has a different ratio of the side edges.
• the thickness of the plate of the license plate body 11 can be 1 mm or 2 mm or several mm.
• a label field 12 is located on the license plate body 11.
• a label (not shown) is applied to this label field 12 by embossing or other methods. The vehicle is primarily identified by this label.
• the license plate body 11 shown in FIG. 1 has an opening 13.
• the opening 13 shown in FIG. 1 is rectangular or slit-like and runs with its longitudinal axis parallel to a longitudinal axis of the license plate body 11.
• the opening 13 is oriented differently on the license plate body 11 or another one Shape such as an angled shape, a "T" shape or an "H" shape.
• a label 15 is assigned to the license plate body 11 on its upper side 14.
• This film shown in FIG. 2 can preferably be self-adhesive on both sides and also has a recess 16, the shape of which corresponds to that of the opening 13.
• the shape of the film 15 can be adapted to the shape of the license plate body 11 or be of a different type. It is essential, however, that the film 15 corresponds at least in regions to an edge region 17 of the opening 13.
• an essential feature of the film 15 is that it is designed to be electrically conductive.
• the film 15 can either be designed as a metallic film or have a corresponding coating on both sides, in such a way that there is a low electrical resistance between a front and a back of the film 15.
• This film 15 is to be placed on the top 14 of the license plate body 11 such that the recess 16 of the film 15 coincides at least as far as possible with the opening 13 in the license plate body 11.
• An essential part of the identification 10 according to the invention consists in the carrier 18 shown in FIG. 3.
• This carrier 18 is also rectangular and corresponds to the shape of the opening 13 or the recess 16. However, at least two of the side edges of the rectangular carrier 18 larger than the corresponding side edges of the opening 13 or the recess 16, so that when the carrier 18 is applied to the recess 16 of the film 15, the carrier 18 overlaps the opening 13 of the license plate body 11 at least in regions.
• the carrier 18 is also designed to be electrically conductive.
• the carrier 18 can either be designed as a metallic foil or sheet or can be provided with a metallic coating in such a way that there is surface conductivity.
• the carrier 18 has a slot 20 on an upper side 19 and / or a lower side.
• the carrier 18 is electrically non-conductive in this area.
• the slot 20 has a widening 21 at one end. This rectangular widening 21 adjoins the slot 20 and is therefore part of the slot 20.
• the widening 21 and the slot 20 have a common border 22.
• This border 22 forms a slot antenna in the electrically conductive carrier 18.
• This slot antenna serves the data carrier 23 arranged in the expansion 21 as an antenna.
• the data carrier 23 can also be assigned an RFID chip or a similar active or passive component for the transmission and reception of data. Information about the vehicle and the vehicle owner can be stored on the data carrier 23.
• the carrier 18 can be prefabricated as a film-like strip with the antenna structure 20 and the data carrier 23 by an appropriate vapor deposition method or printing method. This prefabrication enables a very high level of accuracy to be achieved both in the structure of the slot 20 and in the positioning of the data carrier 23. The achievable accuracy is in the submillimeter range. A lower accuracy or a higher tolerance can then be used for the placement of the carrier 18 together with the slot 20 and the data carrier 23 on the film 15. The carrier 18 is only to be placed on the film 15 such that the slot 20 is located above the opening 13 and does not overlap with the edge region 17.
• the required placement accuracy is therefore a few mm. This simplifies in particular the previous manufacturing process, in which the placement of a data carrier in an expansion of a slot in the license plate body was particularly critical. Due to the flexibility of the carrier 18, the data carrier 23 maintains its relative position with respect to the slot 20 or the widening 21 even in the event of an impact or a bending of the license plate body 11 together with the carrier 18.
• a reflective film 24, in particular retroreflective, shown in FIG. 4 is applied to the license plate body 11 or to the film 15 and the carrier 18. This reflective film 24 can be designed to be self-adhesive, so that it can be stuck to the top 14 of the license plate body 11.
• the reflective film 24 is at least largely metallized, so that it is reflected under appropriate lighting even in poor visibility conditions.
• a lower area 25 of the reflective film it is de-metallized, that is to say that the reflective film 24 is not metallized in this area and therefore also does not reflect.
• This lower region 25 coincides with the region in which the carrier 18 with the slot antenna 20 is positioned. As a result of this de-metallization in the lower region 25 there is no electromagnetic interference in the data carrier 23 due to the metallization of the reflective film 24.
• the shape of the reflective film 24 shown in FIG. 4 corresponds to the shape of the license plate body 11. However, it can also be provided that the shape of the reflective film 24 differs from that of the license plate body 11.
• a non-conductive cover 26 in particular a PET film, or a non-conductive mass, such as epoxy resin, can be filled in the opening 13 from a rear side of the license plate body 11. This electrically non-conductive cover 26 protects the carrier 18 from environmental influences and mechanical impacts.
• the cover 26 can also be formed together with the carrier 18 as a unit and fed to the opening 13. 6 shows a label 10 according to the invention without a label.
• the following embossing process can take place on the labeling field 12, and in fact without the functionality of the antenna or the data carrier 23 being influenced by a mechanical deformation of the identification body 11.
• the flexibility of the data carrier 23 can compensate for any deformations caused by the embossing or other impacts.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
• Waveguide Aerials (AREA)
• Support Of Aerials (AREA)
• Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
• Details Of Aerials (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=67402902

Family Applications (1)

Country Status (8)

Cited By (1)

Citations (5)

Family Cites Families (2)

• 2018
  • 2018-07-11 DE DE102018005440.4A patent/DE102018005440A1/de active Pending
• 2019
  • 2019-07-04 EP EP19742694.3A patent/EP3820742B1/de active Active
  • 2019-07-04 AU AU2019299933A patent/AU2019299933B2/en active Active
  • 2019-07-04 ES ES19742694T patent/ES2951269T3/es active Active
  • 2019-07-04 WO PCT/EP2019/068000 patent/WO2020011644A1/de unknown
  • 2019-07-04 PL PL19742694.3T patent/PL3820742T3/pl unknown
  • 2019-07-10 TW TW108124329A patent/TWI723456B/zh active
  • 2019-07-10 AR ARP190101939A patent/AR115727A1/es active IP Right Grant

Patent Citations (5)

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